Note when replacing Sunvic SDM1901: This actuator is only suitable when the existing actuator is fixed to the valve by two screws. Purchasing the actuator only means you don't have to replace the entire unit, as the head can be replaced in a very speed efficient manner.

Some cookies are essential to the functioning of this site whereas others are non-essential but help us provide a better browsing experience. Do you supply these screws as spares or can you let me know the size and type so that I can source them please. Danfoss 3 port “H” series motorized valves are available in a wide range of sizes for both copper and iron pipework. Danfoss HSA3 3-Port Mid Position Valve Actuator 63 x 86 x 73mm (H x W x D) White, made from brass is designed for use with both copper and iron pipes inside any heating devices.The DANFOSS HSA3 3 PORT MID-POSITION VALVE ACTUATOR is a genuine, brand new Danfoss product, covered by a Danfoss manufacturer's guarantee. For ease of installation and service ability assembly of the actuator to the valve body is made on site using the screws provided. Danfoss valve actuators are designed for direct in-service replacement of actuators on other makes of motorised valves. Some mention that it has worked well so far and has no problems, while others say that it won't last long, is not dependable, and failed within 8 months.

The H Series Motorised Valves, working in conjunction with time controls and thermostats,are used in domestic and commercial central heating, hot water and chilled water systems to control the flow of water in the system. Some mention that it's the most effective fix and easiest for a home owner to do, while others say that it doesn't work as expected and their heating system stopped working. H series ‘shoe’ valves are available in 2 port and 2 port versions in a wide range of sizes for both copper and iron pipework. Other technologies are used for similar purposes as a cookie on other platform where cookies are not available or applicable, such as the advertising ID available on mobile devices.You are reminded of the following legal requirements relating to the purchase and use of professional pesticides.

They are designed and built for long term operation under arduous conditions of high temperatures and rapid pressure fluctuations. It controls how quickly water flows throughout the heating system and helps to make this process as smooth as possible. This valve actuator is suitable for domestic central heating systems and comes with a 1-year manufacturer's warranty. The actuator plays a crucial role in providing efficient and automated temperature control, ensuring comfort and energy savings in the heating system. The Danfoss HSA3 Actuator is part of a port "H" motorized valve series which is available for use with both copper and iron pipework.This appears to be the actuator fitted to my Camray 5 Combi 90A boiler, however, the part number in the book is BS 50752.

The Danfoss port "H" motorised valve series, which includes the HSA3 Actuator, is suitable for use with both copper and iron pipes. By purchasing the actuator, you may just swap out the head of the device rather than having to replace the entire thing. To comply with the new e-Privacy directive we need to ask for your consent to set non-essential cookies. It operates based on electrical signals received from a thermostat or central control unit, allowing for precise regulation of the flow of hot water through the heating zones.The Danfoss HSA3 3 Port Mid-Position Valve Actuator is a high-quality, durable and easy to install heating control product. The Danfoss HSA3 Actuator is part of a port H motorised valve series for use with both copper and iron pipework.